ci: Build using latest version of Singularity

Author: cbaker6

.github/workflows/build.yml

@@ -57,7 +57,7 @@ jobs:
     needs: docker
     runs-on: ubuntu-latest
     container:
-      image: quay.io/singularity/singularity:v3.11.4
+      image: quay.io/singularity/singularity:v4.3.0
     strategy:
       fail-fast: false
       matrix: